4UHT:
reference: Conformational plasticity of the response regulator CpxR, a key player in Gammaproteobacteria virulence and drug-resistance., Mechaly AE, Haouz A, Sassoon N, Buschiazzo A, Betton JM, Alzari PM, J Struct Biol. 2018 Aug 4. pii: S1047-8477(18)30196-5. doi:, 10.1016/j.jsb.2018.08.001. PMID: 30086390

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